Salix Caprea

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Woody Plants Database [http://woodyplants.cals.cornell.edu] Species: Salix caprea (say'liks cap'ree-ah) Goat Willow; Pussy Willow Cultivar Information This European species has few cultivars how ever there are several closely related species that also can sometime be found in cultivation: S. discolor (North America; 'Rosea' has pale rosy catkins), and S. gracilistyla (Asia; 'Melanostachys' bears black catkins with red anthers) * See specific cultivar notes on next page. Ornamental Characteristics Size: Shrub > 8 feet Height: 15' - 25' (to 30') (12' - 15' spread) Leaves: Deciduous Shape: shrub or small tree Ornamental Other: best in full sun (rangy in shade) Environmental Characteristics Light: Full sun, Part shade Hardy To Zone: 3b Soil Ph: Can tolerate acid to alkaline soil (pH 5.0 to 8.0) Environmental Other: flowers very early - March or April; soft silky catkins (hence the common name Insect Disease short-lived due to many insect and disease problems Bare Root Transplanting Any Other native to Europe, northeast Asia, Japan. Range map is for Salix discolor, native to North America 1 Woody Plants Database [http://woodyplants.cals.cornell.edu] Moisture Tolerance Occasionally saturated Consistently moist, Occasional periods of Prolonged periods of or very wet soil well-drained soil dry soil dry soil 1 2 3 4 5 6 7 8 9 10 11 12 2 Woody Plants Database [http://woodyplants.cals.cornell.edu] Cultivars for Salix caprea Showing 1-2 of 2 items. Cultivar Name Notes Curly Locks 'Curly Locks' - grafted weeping tree with twisted branches and foliage Pendula 'Pendula' (a.k.a.'Kilmarnock' and 'Weeping Sally') - grafted weeping tree 3 Woody Plants Database [http://woodyplants.cals.cornell.edu] Photos Salix caprea - Fruit Salix caprea - Fruit, Leaf 4 Woody Plants Database [http://woodyplants.cals.cornell.edu] Salix caprea - Habit Salix caprea - Habit 5 Woody Plants Database [http://woodyplants.cals.cornell.edu] Salix caprea - Habit Salix caprea - Leaves 6 Woody Plants Database [http://woodyplants.cals.cornell.edu] Salix caprea - Male Catkins, Male Fruit Salix caprea - Habit 7 Woody Plants Database [http://woodyplants.cals.cornell.edu] Salix caprea - Bark 8.

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Ecography E5856 Baselga, A
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Salix Caprea (Goat Willow, Great Sallow, Pussy Willow) Goat Willow Is a Small Multi Stemmed Deciduous Tree Native to Europe and Western Asia
Salix caprea (Goat Willow, Great Sallow, Pussy Willow) Goat willow is a small multi stemmed deciduous tree native to Europe and western Asia. It is growing a silky male flower called catkins in early spring Female and male flower grows in a different tree.The leaves are dark green and hairy underneath. Mainly the weeping cultivate is used in gardens. It likes sun and well-drained soil, and benefits from a severe pruning every 2 or 3 years. Grow it where late winter and early spring interest are needed in the garden. Landscape Information French Name: Saule marsault Pronounciation: SAL-iks Plant Type: Tree Origin: Europe and western Asia. Heat Zones: 5, 6, 7, 8, 9 Hardiness Zones: 5, 6, 7, 8, 9 Uses: Screen, Hedge, Specimen, Container, Windbreak, Cut Flowers / Arrangements Size/Shape Growth Rate: Fast Tree Shape: Upright, Weeping Canopy Symmetry: Irregular Canopy Density: Medium Canopy Texture: Medium Height at Maturity: 5 to 8 m Spread at Maturity: 3 to 5 meters Time to Ultimate Height: 10 to 20 Years Plant Image Salix caprea (Goat Willow, Great Sallow, Pussy Willow) Botanical Description Foliage Leaf Arrangement: Alternate Leaf Venation: Pinnate Leaf Persistance: Deciduous Leaf Type: Odd Pinnately compund Leaf Blade: 5 - 10 cm Leaf Shape: Ovate Leaf Margins: Entire, Dentate Leaf Textures: Glossy, Medium Leaf Scent: No Fragance Color(growing season): Green Color(changing season): Green Flower Image Flower Flower Showiness: True Flower Size Range: 1.5 - 3 Flower Type: Catkin Flower Sexuality: Diecious (Monosexual) Flower Scent: No Fragance
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Pussy Willow Salix Discolor
Pussy Willow Salix discolor Like all plants in the Salix or willow genus, Pussy Willows are dioecious (separate male and female plants). It is the male plants that have the beloved silky, pearl gray catkins that resemble a cat’s paw. The female plants produce smaller, greenish catkins that mature into 1/3" long seed capsules. These capsules later split to release many tiny seeds with cottony hairs that are dispersed by wind and water. Native to Canada and roughly the northern half of the United States, the Pussy Willow is a multi- stemmed shrub or small tree, 15-25 feet tall, with spreading upright stems. The bark is slightly fissured. Year-old twigs are hairy but become smooth with age. The leaves of the Pussy willow are alternate, elliptic in shape, up to 5” long, with irregular teeth. The Latin name “discolor” refers to the contrasting colors of the leaf surfaces: shiny green on top and blue-green below, which aid in recognition. Pussy willows occur along shorelines, swamp margins and poorly drained thickets in a variety of soils as long as they’re wet. Preferring full to part-sun, Pussy willows will tolerate flooding and fire, often occurring in abundance in the shrub-dominated successional stage after fires. Fast-growing and short-lived, Pussy willows have not always been considered as beneficial. The wood is weak and easily damaged by ice and wind. The leaf/branch litter is “messy.” In moist soils, Pussy willows will produce extensive shallow root systems that can clog pipes, drains and septic fields.
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Salix Discolor: Prospects for Phytoremediation of Lead and Polycyclic Aromatic Hydrocarbons Robert Matheson Supervisors: Dr
Matheson 1 Salix discolor: Prospects for phytoremediation of lead and polycyclic aromatic hydrocarbons Robert Matheson Supervisors: Dr. S. Dalton and Dr. P. Kamau Submitted in partial fulfilment of the requirements for Biology 489 April 08, 2016 Matheson 2 Abstract Phytoremediation is the application of green plants and their associated microbial communities for the removal, stabilization or detoxification of contaminants in the environment. Salix discolor, commonly known as the pussy willow, is a common Canadian shrub that was evaluated for phytoremediation potential of lead and polycyclic aromatic hydrocarbons (PAHs) using a short-term hydroponic species. Salix discolor was chosen because of the documented ability of willows to tolerate both lead and PAH contamination and their ability to sequester lead. The willows were grown in Hoagland’s nutrient solution for four weeks for four weeks, and was subsequently spiked with lead and/or PAHs for an additional 4 weeks. The tissues were then dried and the lead and PAHs were extracted for analysis via atomic absorption spectrometry and gas chromatography-mass spectrometry, respectively. Issues with the gas chromatography-mass spectrometry instrument prevented analysis of the PAHs. There was no accumulation of lead within the leaf/shoot tissue of the willows, but there was between 2940- 3450 ppm of lead accumulated within the root tissue. Furthermore, analysis of the growth medium at the conclusion of the experiment showed a decrease in lead concentration from 5 ppm to 0-0.2 ppm. Presence of either lead and/or PAHs did not significantly decrease the willows shoot growth [p=0.06] or decrease the transpiration rate of the willows [p=0.979].
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Salix Caprea L
Forest Ecology and Forest Management Group Tree factsheet images at pages 3 and 4 Salix caprea L. taxonomy author, year Linnaeus 1753 synonym - Family Salicaceae Eng. Name Goat willow; Goat sallow Dutch name Boswilg subspecies - varieties - hybrids S. x reichardtii ( S. caprea x S. cinerea ) cultivars, frequently used - references Weeda, E.J. 2003. Nederlandse Oecologische Flora, deel 1 Plants for a Future Database; www.pfaf.org/index.html morphology crown habit tree or shrub, oval max. height (m) 10 max. dbh (cm) >40 actual size Europe year …, d (110) 115, h …, Rie Crathie, Aberdeenshire, Scotland year …, d (…) 66, h 21, Andross Castle, Highland, Scotland actual size Netherlands - leaf length (cm) 5,5-10 leaf petiole (cm) 0,5-1,2 leaf colour upper surface green leaf colour under surface gray- or blue-green leaves arrangement alternate flowering March-April flowering plant dioecious flower monosexual flower diameter (cm) flower male catkins length (cm) 2-4 flower female catkins length (cm) 2-4 pollination insects fruit; length capsule (doosvrucht); 0,2-0,3 cm fruit petiole (cm) <0,1 seed; length seed; .. cm seed-wing length (cm) pappus: approx 0,5 weight 1000 seeds (g) .. seeds ripen June seed dispersal wind, water habitat natural distribution Europe, W. Asia, Atlas in N.W. Europe since .. B.C. natural areas The Netherlands forests geological landscape types The Netherlands river valleys; dune area; till plateau; coversand area; ice pushed ridges; (Hoek 1997) loess covered terraces forested areas The Netherlands - area Netherlands - % of forest trees in the Netherlands not a forest canopy tree soil type sandy and loamy soils pH-KCl acid soil fertility nutrient moderate light light demanding shade tolerance 2.2 (0=no tolerance to 5=max.
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